Instruments and Systems: Monitoring, Control, and Diagnostics Annotation << Back An economic evaluation for the telecommunication companies: the perspective methods for digital information processing and transfer Gabaraev S.Z. The article presents an economic evaluation for two methods of construction the communication line a traditional and perspec-tive one – pneumatic cable laying. The benefits of data transfer technology used in the optical networks are shown. Контактный телефон(8672) 52-56-00. E-mail: Aldar25@yandex.ru